Suggestions are offered for ensuring the effectiveness of individualized instruction and mastery learning. One or two brief ideas are presented in each of the following areas: (1) homework; (2) after-school help; (3) supplementary corrective programs; (4) parent involvement; (5) enrichment exercises; (6) supplementary materials; (7) student tutors and student-led groups; (8) special small-group assistance in the classroom; (9) development of study skills using the SQ3R and PAR-4 techniques; (10) and utilization of other teachers as subject specialists. (DC)